Vacon NX series Applications Manual page 339

PARAMETER DESCRIPTIONS
f
out
Start freq. of aux. drive 1
par. ID1002 + 1 Hz)
Frequency after
starting the
aux. drive1 is
par. ID1003-1 Hz
F
min
par. ID101
Stop freq. of aux. drive 1
(par. ID1003 - 1 Hz)
Fig. 79: Example of parameter setting; Variable speed drive and one auxiliary drive
1012 REFERENCE STEP AFTER START OF AUXILIARY DRIVE 17 (2.9.12)
1013 REFERENCE STEP AFTER START OF AUXILIARY DRIVE 27 (2.9.13)
1014 REFERENCE STEP AFTER START OF AUXILIARY DRIVE 37 (2.9.14)
1015 REFERENCE STEP AFTER START OF AUXILIARY DRIVE 47 (2.9.15)
The reference step will be automatically added to the reference value always when the
corresponding auxiliary drive is started. With the reference steps e.g. the pressure loss in
the piping caused by the increased flow can be compensated.
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f
out
Start freq. of aux. drive 1
par. ID1002 + 1 Hz)
Stop freq.
of aux. drive 1
(par. ID1003-1 Hz)
Frequency after starting
Frequency decrease
the aux. drive1
during the stop delay
is par. ID1003 + 1 Hz
F
min
par. ID101
Flow
VACON · 339
Start delay of the
aux.drives
(par. ID1010)
Frequency
increase
during the
start delay
Stop delay of the aux.
drives (par. ID1011)
Flow
8